Using O=Cc1cccc(Cl)c1Cl, CC(C)(C)OC(=O)NCC1CCNC1 to produce CC(C)(C)OC(=O)NCC1CCN(Cc2cccc(Cl)c2Cl)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.