Using CCCOc1c(C2CCN(C(=O)OC(C)(C)C)CC2)ccc2c1CC[C@H](C)N2C(C)=O to produce CCCOc1c(C2CCNCC2)ccc2c1CC[C@H](C)N2C(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.