Using FC1(F)CCNCC1, Cn1c(CC=O)nc2c(N3CCOCC3)nc(Cl)nc21 to produce Cn1c(CCN2CCC(F)(F)CC2)nc2c(N3CCOCC3)nc(Cl)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.