Using O=C(Cl)c1cccnc1, NCCCCc1ccc(C2=NNC(=O)CC2)cc1 to produce O=C1CCC(c2ccc(CCCCNC(=O)c3cccnc3)cc2)=NN1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.