Using NCC1CC1, COC(=O)c1ccc(-n2cnc(-c3c(-c4ccccc4)noc3C(F)(F)F)c2)cc1 to produce O=C(NCC1CC1)c1ccc(-n2cnc(-c3c(-c4ccccc4)noc3C(F)(F)F)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.