Using C=CCOC(=O)N1CCC(N(CCNC(=O)OC(C)(C)C)CCc2ccc(Cl)cc2)CC1 to produce C=CCOC(=O)N1CCC(N(CCN)CCc2ccc(Cl)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.