Using NN, COc1cc(C=C[CH2+]2OC(C)=Cc3cc4c(cc32)OCO4)ccc1O to produce COc1cc(C=CC2=NN=C(C)Cc3cc4c(cc32)OCO4)ccc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.