Using COc1ccc(C[C@@H](C(=O)O[C@H](C)[C@H](NC(=O)OC(C)(C)C)C(=O)OCC(=O)c2ccccc2)N(C)C(=O)OCc2ccccc2)cc1 to produce COc1ccc(C[C@@H](C(=O)O[C@H](C)[C@H](NC(=O)OC(C)(C)C)C(=O)O)N(C)C(=O)OCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.