Using CCOc1cc(C2CCC2)c(C2CC2)cc1CN1CCC(n2ccc(C(=O)OC)cc2=O)CC1 to produce CCOc1cc(C2CCC2)c(C2CC2)cc1CN1CCC(n2ccc(C(=O)O)cc2=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.