Using O=C(Nc1ccc(Cl)c(Cl)c1)N1CCN(C(=O)C2CNCCO2)CC1, O=CCc1ccccc1 to produce O=C(Nc1ccc(Cl)c(Cl)c1)N1CCN(C(=O)C2CN(CCc3ccccc3)CCO2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.