Using COC(=O)c1[nH]c(C(=O)Cl)cc1Cl, NCCN1CCCC1 to produce COC(=O)c1[nH]c(C(=O)NCCN2CCCC2)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.