Using COC(=O)CCc1ccc(-c2nc3ccc(C(=O)Nc4ccc5ccccc5n4)cc3[nH]2)cc1 to produce O=C(O)CCc1ccc(-c2nc3ccc(C(=O)Nc4ccc5ccccc5n4)cc3[nH]2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.