Using CCCc1c(O)c(C(C)=O)cc2c(C)cc(C(=O)OCC)nc12, CCOC(=O)C(=O)OCC to produce CCCc1c2nc(C(=O)OCC)cc(C)c2cc2c(=O)cc(C(=O)OCC)oc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.