Using NCC(=O)OCc1ccccc1, COCc1nc(C(=O)O)c(OCc2ccccc2)c2ccccc12 to produce COCc1nc(C(=O)NCC(=O)OCc2ccccc2)c(OCc2ccccc2)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.