Using COCc1nn2c(CO)c(C(F)(F)F)nc2s1, O=C1NCC(CCC(F)(F)F)N1 to produce COCc1nn2c(CN3CC(CCC(F)(F)F)NC3=O)c(C(F)(F)F)nc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.