Using CCOC(=O)c1c(O)c2ccccc2n(CC)c1=O, COC(=O)CN to produce CCn1c(=O)c(C(=O)NCC(=O)OC)c(O)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.