Using CCCCOc1nc(N)c2[nH]c(=O)n(CCCCl)c2n1, O=C1CCC(=O)N1 to produce CCCCOc1nc(N)c2[nH]c(=O)n(CCCN3C(=O)CCC3=O)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.