Using Cn1cc(-c2ccc3ncc(Cc4ccc5ncc(C=O)n5c4)n3n2)cn1 to produce Cn1cc(-c2ccc3ncc(Cc4ccc5ncc(CO)n5c4)n3n2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.