Using NC1CCN(C(=O)c2cc3nccc(Cl)c3s2)C1, O=C(Cl)C1CCC1 to produce O=C(NC1CCN(C(=O)c2cc3nccc(Cl)c3s2)C1)C1CCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.