Using COc1ccc2c(c1)CC(CN1CCC(O)(Cc3ccc(C)cc3)CC1)N2 to produce Cc1ccc(CC2(O)CCN(CC3Cc4cc(O)ccc4N3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.