Using COC(=O)CBr, COc1ccc(-c2c(-c3ccccc3)oc3ncnc(Oc4cccc(N)c4)c23)cc1 to produce COC(=O)CNc1cccc(Oc2ncnc3oc(-c4ccccc4)c(-c4ccc(OC)cc4)c23)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.