Using Clc1ncnc2[nH]ccc12, O=C(OCc1ccccc1)N1CCC12CCCNC2 to produce O=C(OCc1ccccc1)N1CCC12CCCN(c1ncnc3[nH]ccc13)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.