Using CCOC(=O)C(=O)CBr, COc1cc2nc(N)cc(OC)c2cc1OC to produce CCOC(=O)c1cn2c(cc(OC)c3cc(OC)c(OC)cc32)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.