Using C[Sn](C)(C)c1cccc(C2OCCCO2)n1, Ic1n[nH]c2ccccc12 to produce c1cc(-c2n[nH]c3ccccc23)nc(C2OCCCO2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.