Using Cc1cc(Nc2cc3cc(O)ccc3c(Br)n2)n[nH]1, CC(C)O to produce Cc1cc(Nc2cc3cc(O)ccc3c(OC(C)C)n2)n[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.