Using COC(=O)c1ccc(NC2CCCCC2C)c(NC(=O)Cc2ccco2)c1 to produce COC(=O)c1ccc2c(c1)nc(Cc1ccco1)n2C1CCCCC1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.