Using COc1cc2c(cc1Cl)[nH]c(=O)n2C1CCN(C(=O)OC(C)(C)C)CC1 to produce COc1cc2c(cc1Cl)[nH]c(=O)n2C1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.