Using COC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)OCc1ccccc1, NCC(=O)NCC(=O)O to produce O=C(O)CNC(=O)CNC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.