Using Cc1c([C@@H](O)CN2CCN(CC(=O)c3ccc4c(c3)CCS4(=O)=O)CC2)ccc2c1COC2=O to produce Cc1c([C@@H](O)CN2CCN(CC(O)c3ccc4c(c3)CCS4(=O)=O)CC2)ccc2c1COC2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.