Using CCOC(=O)CNC(=O)Nc1ccc(C=NNC(=O)OC)cc1 to produce COC(=O)NN=Cc1ccc(NC(=O)NCC(=O)[O-])cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.