Using CNc1nccc(-c2cccnc2Oc2ccc(NC(=O)C(NC(=O)OC(C)(C)C)c3ccccc3)cc2)n1 to produce CNc1nccc(-c2cccnc2Oc2ccc(NC(=O)C(N)c3ccccc3)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.