Using CI, CC(C)(C)OC(=O)N1CCC(Cc2cccc3c2OCC(=O)N3)CC1 to produce CN1C(=O)COc2c(CC3CCN(C(=O)OC(C)(C)C)CC3)cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.