Using CN(C)C=O, CCOC(=O)c1cc(OC)c2ccn(C3CC3)c2c1 to produce CCOC(=O)c1cc(OC)c2c(C=O)cn(C3CC3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.