Using CON1CCC(O)CC1, COC(=O)C1(N(O)C(=O)Cc2c(C)cc(C)cc2C)CCN(OC)CC1 to produce COC(=O)C1(N(OC2CCN(OC)CC2)C(=O)Cc2c(C)cc(C)cc2C)CCN(OC)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.