Using CC(C)(C)OC(=O)C(Cc1ccncc1)(Cc1ccncc1)C(=O)OC(C)(C)C to produce COC(=O)C(Cc1ccncc1)Cc1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.