Using CC(Nc1nccc(-n2cnc3ccccc32)n1)C1CN(C(=O)OC(C)(C)C)CCN1C(=O)OCc1ccccc1 to produce CC(Nc1nccc(-n2cnc3ccccc32)n1)C1CNCCN1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.