Using COc1ccc(Cn2cc(C(=O)c3ccc(C)cn3)c(=O)c3ccccc32)cc1 to produce Cc1ccc(C(=O)c2c[nH]c3ccccc3c2=O)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.