Using COc1ccc(C2=CC(=O)N(C(=O)OC(C)(C)C)[C@H](C(=O)OCc3ccccc3)C2)cc1 to produce COc1ccc(C2=CC(=O)N[C@H](C(=O)OCc3ccccc3)C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.