Using c1cc2c([nH]1)CCCCN2, CC(=O)N1CCC(C(=O)O)CC1 to produce CC(=O)N1CCC(C(=O)N2CCCCc3[nH]ccc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.