Using O=C(Nc1ccc2c(c1)N(C(=O)C(F)(F)F)CCC2)c1ccc(-c2ccccc2)nc1 to produce O=C(Nc1ccc2c(c1)NCCC2)c1ccc(-c2ccccc2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.