Using O=C1CCc2cc(C(O)(c3ccccc3)c3cccnc3)ccc2N1 to produce O=C1CCc2cc(C(c3ccccc3)c3cccnc3)ccc2N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.