Using C1=CCNC1, O=C(O)[C@@H]1CCCN(c2ccc3nc(C4(n5cc(Cl)cn5)CC4)[nH]c3n2)C1 to produce O=C([C@@H]1CCCN(c2ccc3nc(C4(n5cc(Cl)cn5)CC4)[nH]c3n2)C1)N1CC=CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.