Using CC(C)(C)[O-], O=C(CCl)Nc1ccc2oc3c(c2c1)CCCCC3 to produce CC(C)(C)OCC(=O)Nc1ccc2oc3c(c2c1)CCCCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.