Using COC(=O)c1ccc(CN2CCCN(Cc3ccc(Oc4ccccc4)cc3)CC2)cc1 to produce OCc1ccc(CN2CCCN(Cc3ccc(Oc4ccccc4)cc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.