Using CC(=O)Oc1c2c(c3ccccc3c1OC(=O)C(C)(C)NC(=O)OC(C)(C)C)OC(C)(C)CC2 to produce CC(=O)Oc1c2c(c3ccccc3c1OC(=O)C(C)(C)N)OC(C)(C)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.