Using COC(=O)c1cccc(NC(=O)NC2C3CC4CC(C3)CC2C4)c1C to produce Cc1c(NC(=O)NC2C3CC4CC(C3)CC2C4)cccc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.