Using CCCCC[C@@H](C)OC(=O)C[C@H]1CCCN(C(=O)c2ccc(N3CCCC3)cc2Cl)c2ccccc21 to produce O=C(O)C[C@H]1CCCN(C(=O)c2ccc(N3CCCC3)cc2Cl)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.