Using Cn1nc(O)c2c1CN(C(=O)OC(C)(C)C)CC2, O=C1c2ccccc2C(=O)N1O to produce Cn1ncc2c1CN(C(=O)OC(C)(C)C)CC2ON1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.