Using COC(=O)c1ccc2nc(-c3cc(C(=O)N4CCCC4)ccc3-c3ccc(Cl)cc3)ccc2c1 to produce O=C(O)c1ccc2nc(-c3cc(C(=O)N4CCCC4)ccc3-c3ccc(Cl)cc3)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.