Using O=C(Cl)CCCCCl, O=C(N1CCc2ccccc2CC1)C(F)(F)F to produce O=C(CCCCCl)c1ccc2c(c1)CCN(C(=O)C(F)(F)F)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.