Using O=C(CNc1cc(Cl)cc(Cl)c1)N1Cc2ccccc2C(NC(=O)C(F)(F)F)C1 to produce NC1CN(C(=O)CNc2cc(Cl)cc(Cl)c2)Cc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.