Using O=C(c1cc(Cl)ncn1)n1ccc2ccccc21, O=c1[nH]c2ncccc2n1C1CCNCC1 to produce O=C(c1cc(N2CCC(n3c(=O)[nH]c4ncccc43)CC2)ncn1)n1ccc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.