Using CCCBr, COc1ccc(Cn2c(=O)c3c(c4cc(OC)ccc42)NCCC3)cc1 to produce CCCN1CCCc2c1c1cc(OC)ccc1n(Cc1ccc(OC)cc1)c2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.