Using COc1cc(CNc2ccc(N3CCCC3)cc2NC(=O)c2ccccc2)cc(OC)c1OC to produce COc1cc(Cn2c(-c3ccccc3)nc3cc(N4CCCC4)ccc32)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.