Using COc1ccc2c(c1)C(c1ccccc1)=NC(NC(=O)OCc1ccccc1)C(=O)N2 to produce COc1ccc2c(c1)C(c1ccccc1)=NC(N)C(=O)N2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.