Using CCCCCCNCCCCCC, CCOC(=O)c1c(O)c2ccccc2n(Cc2ccccc2)c1=O to produce CCCCCCN(CCCCCC)C(=O)c1c(O)c2ccccc2n(Cc2ccccc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.