Using COC(=O)CC[C@H](C(=O)OCc1ccccc1)N(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N(C(=O)OC(C)(C)C)[C@H](CCC=O)C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.