Using CCCC(=O)Cl, Nc1n[nH]c2nnc(-c3ccccc3)cc12 to produce CCCC(=O)Nc1n[nH]c2nnc(-c3ccccc3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.