Using O=C(NC(=O)N1CCCc2cc(-c3cncc(OCc4ccccc4)c3)cnc21)c1ccccc1 to produce NC(=O)N1CCCc2cc(-c3cncc(OCc4ccccc4)c3)cnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.