Using O=C(Nc1cc(I)cn(CC2CC2)c1=O)OCc1ccccc1, OB(O)c1ccccc1 to produce O=C(Nc1cc(-c2ccccc2)cn(CC2CC2)c1=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.