Using COc1ccc(N2CCN(CCC3OCCc4c(Br)cccc43)CC2)cc1, C[Si](C)(C)N=C=O to produce COc1ccc(N2CCN(CCC3OCCc4c(C(N)=O)cccc43)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.