Using COCn1c(=O)c2cccnc2c2cc(CC(C)=O)ccc21, C1CCOC1 to produce COCn1c(=O)c2cccnc2c2cc(CCCO)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.