Using CC(C)(C)OC(=O)N1CCN(c2ccc3c(c2)C(=O)NCC3)CC1, O=C1CCC(=O)N1Cl to produce CC(C)(C)OC(=O)N1CCN(c2ccc3c(c2Cl)C(=O)NCC3)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.