Using CCCCNCc1nc2ccccc2[nH]1, O=C(Cl)c1cccc(F)c1F to produce CCCCN(Cc1nc2ccccc2[nH]1)C(=O)c1cccc(F)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.