Using COC(=O)c1cccc(NC(=O)c2cnccn2)c1N(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C to produce COC(=O)c1cccc(NC(=O)c2cnccn2)c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.