Using O=C(Cl)CCCCl, CN(C)C(=O)C(C)(C)c1ccccc1 to produce CN(C)C(=O)C(C)(C)c1ccc(C(=O)CCCCl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.