Using CSc1ccc(C(OC2CNC2)c2ccccc2C(F)(F)F)cc1, O=C=NC1CCCCC1 to produce CSc1ccc(C(OC2CN(C(=O)NC3CCCCC3)C2)c2ccccc2C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.