Using COc1ccc(Cn2ncc3c4c(cnc32)CNCC4)cc1, CCOC(=O)C(Br)c1ccccc1 to produce CCOC(=O)C(c1ccccc1)N1CCc2c(cnc3c2cnn3Cc2ccc(OC)cc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.