Using COc1ccc2c(c1)C(C1CCN(C(=O)C3CC3)CC1)CC2 to produce O=C(C1CC1)N1CCC(C2CCc3ccc(O)cc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.