Using COc1cc2c(cc1OC)C(CNC(=O)CCCCC(=O)NCCc1ccccc1)C2 to produce COc1cc2c(cc1OC)C(CNCCCCCCNCCc1ccccc1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.